32
7.8.
FL Show “No Device” at USB selector Only
y
Press Power Button of Unit
or Remote Control to Turn
ON the Unit
No
Yes
Yes
No
Change IC1001
(SOC)
Select USB A or USB B selector,
connect USB device, No TOC
UHDGLQJ)/VKRZ³1R'HYLFH´
End
Yes
Yes
Check 3.3V at D+A or
D+B signal at pin 98
(USB B) or pin 104
(USB A) of IC1001
SOC
Check 3.3V at pin
102 of IC1001
(SOC)
Change:
R9012 (open)
R9013 (open)
R9014 (open)
R9015 (open)
Change
LB1007
(open)
1
2
Check 5V Supply
at IC9002(USB
A) or IC9003
(USB B) pin 1
6
Replace
IC1201
7
No
Check 3.3V at
Pin 4 of
IC9002 (USB
A) or IC9003
(USB B)
No
Yes
Replace IC9002
(USB A) or
IC9003 (USB B)
3
4
5
Содержание SA-MAX3500PU
Страница 11: ...11 5 Location of Controls and Components 5 1 Remote Control Key Button Operation ...
Страница 12: ...12 5 2 Main Unit Key Button Operation SOUND KARAOKE MIC VOL VOL SELECT 2 C I M 1 C I M SOUND K M VOL SELECT ...
Страница 19: ...19 Check Point SMPS PCB Check Point Main PCB 4 5 1 1 2 3 1 7 6 ...
Страница 21: ...21 Check Point Main PCB 6 1 2 ...
Страница 23: ...23 Check Point Main PCB 1 2 4 3 ...
Страница 25: ...25 Check Point MIC pcb Check Point Main PCB 6 2 IC140 IC140 CN140 JK140 JK140 C140 ...
Страница 27: ...27 Check Point Tuner PCB Check Point Main PCB Antenna CN5 IC5 SO 1 2 3 4 5 6 7 ...
Страница 29: ...29 Check Point Tuner PCB Check Point Main PCB Antenna CN5 IC5 SO 1 2 3 4 5 6 7 ...
Страница 31: ...31 Check Point Main PCB 1 3 4 5 6 7 ...
Страница 33: ...33 Check Point Main PCB 1 3 4 5 6 7 ...
Страница 35: ...35 Check Point Main PCB 2 3 1 ...
Страница 46: ...46 ...
Страница 56: ...56 ...
Страница 82: ...82 ...
Страница 104: ...104 MMH1803 ...